sphere for ChatGPT
io.getsphere/sphere
Log meals, check calories and macros, set up a nutrition plan, and search foods.
client:ChatGPT
transport:streamable-http
Install sphere in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://api.getsphere.io/functions/v1/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs